1. Environment Department, University of York, York, UK
2. AstraZeneca, Brixham Environmental Laboratory, Brixham, UK
3. College of Life and Environmental Sciences, University of Exeter, Exeter, UK
4. Royal Society for the Protection of Birds, Sandy, UK
5. Department of Chemistry, University of Canterbury, Christchurch, New Zealand
6. Centre for Environment, Fisheries and Aquaculture Science, Weymouth, UK
7. Institute for the Environment, Brunel University, Uxbridge, UK
8. School of Pharmacy and Biomolecular Sciences, Liverpool John Moores University, Liverpool, UK
9. Institute for Watershed Science, Trent University, Peterborough, Canada
10. Biomedical Research Centre, University of Pretoria, Pretoria, South Africa
11. Centre for Ecology and Hydrology, Lancaster, UK
12. Faculty of Veterinary Medicine, University of Calgary, Calgary, Canada
13. University of the Highlands and Islands, Thurso, UK
14. Food and Environment Research Agency, Sand Hutton, UK